<template>
  <div>
    <div class="permissManaTool">
        <el-input size="small" placeholder="请输入角色英文名" v-model="role.name">
          <template slot="prepend">ROLE_</template>
        </el-input>
        <el-input size="small" v-model="role.nameZh" placeholder="请输入角色中文名"></el-input>
        <el-button size="small" type="primary" icon="el-icon-plus" @click="doAddRole">添加角色</el-button>
    </div>
    <div class="permissManaMain">
      <el-collapse accordion @change="change" v-model="activeName">
        <el-collapse-item :title="r.nameZh" :name="r.id" v-for="(r, index) in roles">
          <el-card class="box-card">
            <div slot="header" class="clearfix">
              <span>可访问资源</span>
              <el-button style="float: right; padding: 3px 0;color: red;" type="text" icon="el-icon-delete"
              @click="doDeleteRole(r)"></el-button>
            </div>
            <div>
              <el-tree :data="allMenus"
                       :props="defaultProps"
                       show-checkbox
                       :default-checked-keys="selectedMenus"
                       node-key="id"
                       ref="tree"
                       :key="index"></el-tree>
              <div style="display: flex; justify-content: flex-end">
                <el-button type="danger" size="mini" @click="cancelUpdate">取消修改</el-button>
                <el-button type="primary" size="mini" @click="doUpdate(r.id,index)">确认修改</el-button>
              </div>
            </div>
          </el-card>
        </el-collapse-item>
      </el-collapse>
    </div>
  </div>
</template>

<script>
  export default {
    name: "PermissMana",
    data(){
      return {
        role: {
          name: '',
          nameZh: ''
        },
        roles: [],
        defaultProps: {
          children: 'children',
          label: 'name'
        },
        allMenus: [],
        selectedMenus: [],
        activeName: -1
      }
    },
    mounted() {
      this.initRoles();
    },
    methods: {
      doDeleteRole(role){
        this.$confirm('此操作将永久删除['+role.nameZh+']角色, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.$deleteRequest('/system/basic/permission/role/'+role.id).then(res=>{
            if(res){
              this.initRoles();
            }
          })
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });
        });
      },
      doAddRole(){
        if(this.role.nameZh && this.role.name){
          this.$postRequest('/system/basic/permission/role',this.role).then(res=>{
            if(res){
              this.initRoles();
              this.role.nameZh='';
              this.role.name='';
            }
          })
        } else {
          this.$message.error("所有字段不能为空");
        }
      },
      cancelUpdate(){
        this.activeName = -1;
      },
      doUpdate(rid, index){
        let tree = this.$refs.tree[index];
        let selectedKeys = tree.getCheckedKeys(true);
        let url = '/system/basic/permission/?rid=' + rid;
        selectedKeys.forEach(key=>{
          url += '&mids='+key;
        })
        this.$putRequest(url).then(res=>{
          if(res){
            this.activeName = -1;
          }
        })
      },
      change(rid){
        this.selectedMenus = [];
        if(rid){
          this.initAllMenus();
          this.initSelectedMenus(rid);
        }
      },
      initSelectedMenus(rid){
        this.$getRequest('/system/basic/permission/mid/'+rid).then(res=>{
          if(res){
            this.selectedMenus = res;
          }
        })
      },
      initAllMenus(){
        this.$getRequest('/system/basic/permission/menus').then(res=>{
          if(res){
            this.allMenus = res;
          }
        })
      },
      initRoles(){
        this.$getRequest('/system/basic/permission/').then(res=>{
          if(res){
            this.roles = res;
          }
        })
      }
    }
  }
</script>

<style>
  .permissManaTool {
    display: flex;
    justify-content: flex-start;
  }

  .permissManaTool .el-input {
    width: 300px;
    margin-right: 6px;
  }

  .permissManaMain {
    margin-top: 10px;
    width: 700px;
  }
</style>
